Windows 8 and 8.1 Forums


Windows 8.1 Activation Error: 0xC004C003

  1. #11


    Posts : 50
    Win 8.1 Px64


    Before I go making major changes to my main machine like trying the pre-release, I make a clone "not image" of the system on a physically separate HD. It has saved me so many times. When 8.1 release comes out, I will make that clone just in case something does not go right.

      My System SpecsSystem Spec

  2. #12


    Very Frustrating two years later and I am getting the same error I have no idea how it happend!?! I did not intend to upgrade anything to my system or any free preview for anything because I know this is the crap they pull. but I am getting this error:

    Error code: 0xC004C003

    and its 8.9.2015!!!!
      My System SpecsSystem Spec

  3. #13


    Posts : 1
    Windows 8.1


    Hello,
    I have also error in the Product Key of my windows 8.1. what if we cannot reboot the OS of my laptop there is another way to solved the issue?
      My System SpecsSystem Spec

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Windows 8.1 Activation Error: 0xC004C003
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